Postfix reject connections

I use DynDns.org for my dynamic ip.They offer other services like MailHop Forward , MailHop Relay and MailHop OutBound.You can check here https://www.dyndns.com/services/ What do you advice me to do to?I was thinking to the OutBound , but i'm not sure which will be proper . How should i configure postfix for it and resolve my blacklisted domain ???? Thanks !

I use DynDns.org for my dynamic ip.They offer other services like MailHop Forward , MailHop Relay and MailHop OutBound.You can check here https://www.dyndns.com/services/ What do you advice me to do to?I was thinking to the OutBound , but i'm not sure which will be proper . How should i configure postfix for it and resolve my blacklisted domain ???? Thanks !

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So you're using a dynamic IP address. I'm sure this is the reason you're blocked. Most dynamic IP addresses are blocked nowadays because spammers used to use dynamic IP addresses.

I have been sending emails user@gabrix.ath.cx for nearly 1 year and a half by now and all of a sudden this isp planetary decision to consider dynamic ips as spam .... If there was a way to alias my domain name with a more common .org or .it at dns level ...

Falko said:

You listed two different IP addresses for argo in /etc/hosts. I think that's the cause of the

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I have that error in a way or the other anyway if you look my previous /etc/hosts posts you'd see ... i'm depressed i had such an efficient personal mail system once ....

I have been sending emails user@gabrix.ath.cx for nearly 1 year and a half by now and all of a sudden this isp planetary decision to consider dynamic ips as spam .... If there was a way to alias my domain name with a more common .org or .it at dns level ...

Realying mail to gmail requires mandatorly the use of saal2-bin package right ?So i have set my postfix accordingly to some tutorials i have foung here but now my password get rejected these are my settings:

Should i get worried of these errors ?Where do they come from ???Is it because they are selfsigned certificates ?
The mail arrived to yahoo using this email "gabrix" <sickuser@gmail.com> and pukka !!!All sorted out !!!